(30-20)div2+(6*5)div3+(40-25)div(9-6) eching

$$( 30 - 20 ) \div 2 + ( 6 \times 5 ) \div 3 + ( 40 - 25 ) \div ( 9 - 6 )$$

Baholash

$$20$$

Yechim qadamlari

10 olish uchun 30 dan 20 ni ayirish.

$$\frac{10}{2}+\frac{6\times 5}{3}+\frac{40-25}{9-6}$$

5 ni olish uchun 10 ni 2 ga bo‘ling.

$$5+\frac{6\times 5}{3}+\frac{40-25}{9-6}$$

30 hosil qilish uchun 6 va 5 ni ko'paytirish.

$$5+\frac{30}{3}+\frac{40-25}{9-6}$$

10 ni olish uchun 30 ni 3 ga bo‘ling.

$$5+10+\frac{40-25}{9-6}$$

15 olish uchun 5 va 10'ni qo'shing.

$$15+\frac{40-25}{9-6}$$

15 olish uchun 40 dan 25 ni ayirish.

$$15+\frac{15}{9-6}$$

3 olish uchun 9 dan 6 ni ayirish.

$$15+\frac{15}{3}$$

5 ni olish uchun 15 ni 3 ga bo‘ling.

$$15+5$$

20 olish uchun 15 va 5'ni qo'shing.

$$20$$

Omil

$$2^{2}\times 5$$